#include <stdio.h>

typedef enum weekday
{
	first,
	second,
	thired,
	foured,
	fived,
	sixed,
}math;

typedef enum zero
{
	week	
}zero;

struct _tt
{
}tt;

int main()
{
	math e, a;
	int d;
	
	a = first;	
	printf("%d\n", a);	// 0
	
	a = sixed;	
	printf("%d\n", a);	// 5
	
	e = first;	
	printf("%d\n", e);	// 0
	
	d = fived;
	printf("d = %d\n", d);	// 4

	printf("short size = %ld\n", sizeof(short));			// 2
	printf("enum size = %ld\n", sizeof(math));			// 4
	printf("empty enum size = %ld\n", sizeof(zero));		// 4

	printf("struct size = %ld\n", sizeof(struct _tt));	// 0
	printf("struct size = %ld\n", sizeof(tt));			// 0

	switch (a) {
		case first:
			break;
		case second:
			break;
		case thired:
			break;
		case foured:
			break;
		case fived:
			break;
		case sixed:
			printf("sssssssss\n");
			break;
	}
	
	return 0;
}


